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nitrogen cycle

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Nitrates are converted into atmospheric nitrogen   Denitrification   Denitrifying bacteria  
The release of nitrogen from dead materials and wastes   Decomposition   Bacteria and Fungi  
How do animals obtain a supply of nitrogen?   They must eat plant and/or animal protein.   Animals are unable to synthesise proteins.  
Bacteria convert atmospheric nitrogen into useable nitrogen compounds   Nitrogen Fixation   1) Bacteria present in root nodules 2) Lightening 3) The Haber Process  
The process of bacteria converting ammonium compounds into nitrates.   Nitrification   Nitrifying bacteria  


   


 

 

 
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